EP3187773A1 - Corps lumineux et lampadaire - Google Patents

Corps lumineux et lampadaire Download PDF

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Publication number
EP3187773A1
EP3187773A1 EP16207033.8A EP16207033A EP3187773A1 EP 3187773 A1 EP3187773 A1 EP 3187773A1 EP 16207033 A EP16207033 A EP 16207033A EP 3187773 A1 EP3187773 A1 EP 3187773A1
Authority
EP
European Patent Office
Prior art keywords
distribution plate
light distribution
light
luminous
edge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16207033.8A
Other languages
German (de)
English (en)
Other versions
EP3187773B1 (fr
Inventor
Kornelius Reutter
Thierry Dreyfus
David M. Kretzer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Regent Beleuchtungskoerper AG
Original Assignee
Regent Beleuchtungskoerper AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Regent Beleuchtungskoerper AG filed Critical Regent Beleuchtungskoerper AG
Publication of EP3187773A1 publication Critical patent/EP3187773A1/fr
Application granted granted Critical
Publication of EP3187773B1 publication Critical patent/EP3187773B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/005—Lighting devices intended to be free-standing with a lamp housing maintained at a distance from the floor or ground via a support, e.g. standing lamp for ambient lighting
    • F21S6/008—Lighting devices intended to be free-standing with a lamp housing maintained at a distance from the floor or ground via a support, e.g. standing lamp for ambient lighting with a combination of direct and indirect lighting
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/002—Table lamps, e.g. for ambient lighting
    • F21S6/003—Table lamps, e.g. for ambient lighting for task lighting, e.g. for reading or desk work, e.g. angle poise lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2101/00—Point-like light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays

Definitions

  • the invention relates to a luminous element according to the preamble of independent claim 1 and a floor lamp arrangement with at least one such luminous element.
  • Such luminous bodies comprise a luminous means and a light distribution plate, wherein the light distribution plate has a surface, a lower surface corresponding to the surface, and edge surfaces connecting the surface to the lower surface.
  • the light source is associated with one of the edge surfaces of the light distribution plate, so that light emitted by the light source can be radiated through the edge surface into the light distribution plate.
  • the light distribution plate includes a deflection structure with which the light radiated from the illuminant and irradiated through the edge surface into the light distribution plate is diverted so as to be radiated through the surface or the bottom surface of the light distribution plate.
  • Luminaires with such luminaires can be used to illuminate workstations such as table surfaces.
  • standing or floor lamps which comprise a light source and a light distribution plate.
  • the light distribution plate serves to transform the light typically horizontally radiated light for the intended use of the lamp and redirect typically in the vertical.
  • the light source and the light distribution plate are arranged in a housing which is fastened to a stand.
  • the light is radiated to a certain extent as Indirect light upwards, for example, to a ceiling and direct light down to the associated workplace.
  • Floor lamps of the known type are typically placed in front of or laterally of the associated workstation or the writing or working table. In the case of tables, in particular, they are often placed near a corner of the table top or in the middle of a rear edge of the table top.
  • the present invention is therefore an object of the invention to propose a lamp or a component for a lamp or a lighting arrangement that allows, for example, as one or in a floor lamp efficient, uniform and as complete as possible illumination of a workplace such as in particular a writing or working table.
  • a luminous element comprises a first luminous means and a light distribution plate.
  • the light distribution plate has a Surface, a surface corresponding to the lower surface and the surface with the lower surface connecting edge surfaces.
  • the first luminous means is assigned to a first of the edge surfaces of the light distribution plate, so that light emitted by the first luminous means can be radiated into the light distribution plate through the first edge surface.
  • the light distribution plate comprises a deflection structure with which the light radiated from the first light source and radiated into the light distribution plate through the first edge surface can be diverted so that it is emitted through the surface or the bottom surface of the light distribution plate.
  • the deflection structure of the light distribution plate is aligned obliquely to a first main emission direction of the first light source.
  • the luminous element can be a component for a luminaire.
  • it may be formed as a lamp head a floor lamp.
  • the light distribution plate may preferably be transparent or substantially transparent. It can be used as optics in a luminaire comprising the luminaire. Transparent materials suitable for use in a light distribution panel may be glass and especially plastics. Also, the light distribution plate may have a transparent base body which is provided with a light-shaping film.
  • transparent in this context may refer to translucent or at least partially transparent to visible light.
  • translucent may refer in particular to a damped or undamped permeability of the light generated by the light source.
  • the first and also the further illuminants described in more detail below can each be assigned to one of the edge surfaces by being arranged adjacent to or adjacent to the associated edge surface. It may be of particular importance that the light source radiates light on the associated edge surface, so that it penetrates through it into the light distribution plate.
  • the deflecting structure may be configured to prevent the light irradiated into the light distribution plate from penetrating straight therethrough. Rather, with the deflection structure which penetrates the light distribution plate so transversely and For example, be diverted horizontally by the light distribution plate flowing light or deflected in a radiation direction.
  • a plate is understood in the context of the invention, a substantially cuboid or cube-shaped body.
  • a plate may be a cuboid comprising rectangles as outer surfaces that are substantially longer than they are wide.
  • the cuboid can be relatively flat or its depth or thickness can be relatively small compared to its width and length.
  • surface and bottom surface in the context of the light distribution plate may refer to a top or bottom, plan or uneven surface of the light distribution plate as intended.
  • the surface of the light distribution plate can also be arranged below, inclined or laterally.
  • these terms are not to be understood as limiting with respect to a target position of the luminous element, but instead permit use of the luminous element in any orientation.
  • the surface and the lower surface may also have a different basic shape.
  • the term "main emission direction” is understood as the direction in which a light source emits mainly, majority or intended. Typically, light bulbs emit light, at least to a certain extent, in directions other than the main emission direction (scattering).
  • the main direction of emission of a luminous means can be understood as the direction in which the luminous means should shine for a specific purpose and is designed for this purpose.
  • the main emission direction may relate in particular to a direction from the luminous means to the associated edge surface. For flat or quasi-flat edge surfaces, the main radiation direction of the lighting means is expediently orthogonal to the edge surfaces.
  • the term "obliquely aligned" in the context of the deflection structure refers in particular to an orientation which allows an oblique diversion of the light flowing in the main emission direction.
  • the deflection structure for example, diagonal or quasi diagonal to the main emission of the light source be aligned.
  • these surfaces can describe an angle to the main emission direction, which deviates from a right angle. For example, this angle can be about 45 °.
  • the deflection structure of the light distribution plate is oriented obliquely to the first main emission direction of the first light source, it can be achieved that the light distribution plate efficiently redirects the light such that it is emitted asymmetrically and in particular asymmetrically and twice or three times asymmetrically from the light source.
  • asymmetric in connection with the light emitted by the luminous element or the light distribution curve (LVK) generated by the luminous element may refer to the fact that light is not radiated to the same extent in all directions.
  • the radiated light may simply be asymmetric by illuminating the surface more strongly in one direction than in other directions.
  • the emitted light can be doubly or doubly asymmetrical by illuminating the surface more strongly in two directions than in other directions.
  • the two directions can be substantially perpendicular to each other.
  • the emitted light can be triply asymmetric by illuminating the surface more strongly in three directions than in other directions.
  • the three directions may be substantially perpendicular to each other.
  • the deflection structure of the light distribution plate may also be distributed irregularly over the light distribution plate.
  • Such an irregular deflection structure can be advantageous in many respects for the luminous element. For example, it can enable the application of the light fed in by the irregular arrangement of the lamps, thereby producing a precise LVK. Also, it may enable the attenuation of the light intensity of the light passing through the light distribution plate to be compensated.
  • the deflection structure near the light sources, where the light intensity is comparatively high, relatively few reflector surfaces or refractor surfaces and from the light sources, where the light intensity is relatively low, relatively many reflector surfaces or refractor surfaces.
  • the filament by simple means that the light from the light distribution plate in one, two or three of, for example, four directions is emitted more strongly than in the other directions.
  • Such luminaires with asymmetric, double asymmetric or triple asymmetrically emitted light can be provided, for example, to be placed on a corner or edge of a table or in the middle of the table and from there to efficiently illuminate the table surface. At the same time it can be prevented that a relatively large amount of light incident on the table surface, where it is not needed.
  • the inventive luminous body adapted for the illumination of a workplace LVK can be generated.
  • the LVK can be asymmetrical or double or multiple asymmetric and thus enable efficient illumination of the workplace from one side of the workstation. This allows an efficient, uniform and quasi-complete illumination of the workplace such as in particular a writing or working table can be achieved.
  • normative specifications such as are known, for example, for office lighting, can be met in a targeted and efficient manner with such a luminous body.
  • the luminous element comprises a second luminous means, wherein (i) the second luminous means is assigned to a second of the edge surfaces of the light distribution plate so that light emitted by the second luminous means can be radiated into the light distribution plate through the second edge surface, (ii) emitted by the second luminous means and through the second edge surface irradiated in the light distribution plate is deflectable by the deflection structure of the light distribution plate to be radiated through the surface or bottom surface of the light distribution plate, (iii) the deflection structure of the light distribution plate is oriented obliquely to a second main emission direction of the second light source, and (iv ) is assigned a third of the edge surfaces of the light distribution plate no light source.
  • the light distribution plate efficiently redirects the light so that the light is asymmetrical, double or multiple asymmetric from the filament is emitted.
  • a configuration of the luminous element can significantly increase the efficiency and provide improved illumination.
  • the first edge surface of the light distribution plate adjoins the second edge surface of the light distribution plate and a fourth of the edge surfaces of the light distribution plate is not associated with a luminous means.
  • a luminous means can thus be arranged in an L-shape, for example, and the luminous element can be referred to as an L-shaped luminous element.
  • the luminous element comprises a third luminous means, which is assigned to a fourth of the edge surfaces of the light distribution plate, so that light emitted by the third luminous means can be irradiated through the fourth edge surface into the light distribution plate, the radiation emitted by the third luminous means and through the fourth edge surface the light distribution plate irradiated light is deflectable through the deflection structure of the light distribution plate, so that it is emitted through the surface or the lower surface of the light distribution plate, and the deflection structure of the light distribution plate is aligned obliquely to a third main radiation direction of the third light source.
  • Such an arrangement of the luminous element enables a particularly efficient generation of a triple asymmetric LVK or triple asymmetrical illumination.
  • This may be expedient, for example, when a surface is to be illuminated centrally from one side or edge or when several luminous bodies are to be combined for illumination.
  • the light sources can be arranged, for example, C-shaped, and the light body can be referred to as a C-shaped light body.
  • the surface of the light distribution plate and the lower surface of the light distribution plate each have a substantially rectangular basic shape.
  • the term "rectangular" with respect to the top and bottom surfaces of the light distribution plate rectangular shapes may also include square shapes or a shape with slightly curved side lines. Also, the angles between the side lines may be rounded and / or deviate from a right angle. In such an embodiment of the light distribution plate, the edge surfaces may also be rectangular. This enables a relatively simple efficient construction of the light distribution plate in a form suitable for installation in many luminaires.
  • the edge surfaces comprise four, five or six edge surfaces respectively connecting the surface to the lower surface.
  • Light distribution plates with four edge surfaces can allow a parallelepiped configuration of the light distribution plate.
  • Luminaires with light distribution plates shaped in this way can be used in many types of luminaires. It is also possible with such light distribution panels to generate LVK in an efficient manner with asymmetrical or double or multiple asymmetric LDCs desired for the illumination of a workstation.
  • the deflection structure of the light distribution plate is adapted to redirect light irradiated by the edge surfaces so that it can be emitted both through the surface and through the lower surface of the light distribution plate.
  • the luminous body preferably comprises a further first luminous means and a further light distribution plate, wherein (i) the further light distribution plate has a further surface, a further lower surface corresponding to the further surface and the further surface having further outer surfaces connecting to the further lower surface, (ii) the (Iii) the further first luminous means is associated with a first of the further edge surfaces of the further light distribution plate, so that light emitted by the further first illuminant can be radiated through the further first edge surface into the further light distribution plate, (iv) the deflection structure of the light distribution plate is designed to redirect the light emitted by the first light source and radiated into the light distribution plate through the first edge surface, so that it is radiated through the surface of the light distribution plate, (v) the further light distribution plate comprises a further deflection structure with which the light radiated from the further first light source and radiated through the further first edge surface into the further light distribution plate can be diverted so that it is emitted through the further lower surface of
  • the light-emitting body is designed to emit light in an analogous way up and down, in addition to the mostly downwardly emitted direct light and the mostly upwardly emitted indirect light can be emitted asymmetrically.
  • This allows a luminaire comprising the luminaire to generate corresponding direct and indirect light, which can further improve the illumination of a workstation. It is also possible to form the indirect light differently than the direct light and thus achieve a desired illumination of the workplace.
  • the first lighting means and optionally the second lighting means and optionally the third lighting means are each formed longitudinally.
  • the term "longitudinal” may refer to a linear, quasi-linear or even curved shape in connection with the bulbs.
  • the linear expansion is in any case greater than the expansion in width.
  • the luminous means or other named parts of the luminous body can be designed substantially straight in a cross section along a longitudinal direction.
  • the term can refer to a design of the bulbs, which makes it possible to give light longitudinally.
  • the longitudinality of the luminous means can also be generated by means of a suitable lens or lens group or analog optics, in that the light is shaped longitudinally.
  • Such longitudinal bulbs allow a uniform and efficient feeding over the edge surfaces in the light distribution plate.
  • the term "along” as used herein may refer to full or substantially full length extension. It can be a part along another part run by extending parallel thereto, is arranged sequentially next to this or runs alongside. At least over long distances, however, one part does not run on or in the other part but is separated from it.
  • this term can refer to the fact that the light sources extend along the length of the associated edge surfaces. They can virtually extend over the entire length of the edge surfaces.
  • Such a design of the lighting means enabled an efficient and uniform irradiation of light in the light distribution plate.
  • the first lighting means and optionally the second lighting means and optionally the third lighting means may each have an LED bar.
  • the term "LED strip" may refer in this context to one or a series of several longitudinal boards, which are equipped with LEDs, or a series of multiple boards with LEDs. LED strips enable application-specific energy-efficient operation of the luminaire. Also, the radiation properties of the lamps can be specifically set or specified with such LED strips.
  • board in this context may refer to a printed circuit board (PCB) that is an electronic component carrier.
  • PCB printed circuit board
  • circuit boards are used for mechanical fastening and electrical connection of electronic components.
  • the tracks are usually etched from a thin layer of copper. The components are soldered to pads or pads. Larger components can also be attached to the board with cable ties, glue or screwed connections.
  • light-emitting diode can be understood synonymously for light-emitting diode or light-emitting diode (LED).
  • the light-emitting diodes can be configured in a plan view, for example, round, elliptical, square or rectangular. They can be mounted on the board, which can also be equipped with a control electronics for operating the LEDs.
  • the deflection structure of the light distribution plate preferably comprises reflector surfaces and / or refractor surfaces. With such reflector surfaces in the deflection structure, the light fed in laterally can be redirected efficiently and a desired LVK can be generated flexibly.
  • the reflector or refractor surfaces can be formed, for example, on prisms of the deflection structure. They can be shaped plan or shaped as freeform surfaces.
  • the deflection structure thus enables a total reflection or quasi-total reflection of the light.
  • the luminous body comprises a glare plate which is arranged parallel or plane-parallel to the surface or lower surface of the light distribution plate, wherein an air gap is arranged between the light distribution plate and glare plate.
  • a glare plate can serve to shape the light emitted by the light distribution plate light in its distribution and in particular to de-fade.
  • the air gap serves as a boundary layer between the light distribution plate and the Entblendungsplatte, which allows the two plates have different properties and can implement them efficiently.
  • Luminaire according to one of the preceding claims comprising a clear plate, which is arranged parallel or plane-parallel to the surface or lower surface of the light distribution plate, wherein an air gap is disposed between the clear plate and Entblendungsplatte.
  • the anti-dazzle plate is preferably arranged between the light distribution plate and the clear plate, wherein one of the air gaps lies between the light distribution plate and the anti-glare plate and one of the air gaps between the anti-dazzle plate and the clear plate.
  • a clear plate can be used for aesthetic reasons or for further glare. For example, it can reflect light that occurs at relatively shallow angles and thus prevent it from exiting the filament.
  • a further aspect of the invention relates to a floor lamp arrangement having a support stand which can be erected on a floor, an adapter part and at least one luminous element of the type described above, wherein the adapter part is designed to fasten the at least one luminous element to the support stand.
  • a floor lamp arrangement allows flexible use in different situations.
  • it can be fitted with one or more luminaires via the adapter part as needed, for a specific application are provided or suitable.
  • it can be equipped for two adjacent workstations with two lights that emit light on the left side and the right side doubly asymmetrical.
  • the floor lamp assembly according to the invention makes it possible to achieve a high degree of modularity, so that it can be used efficiently for many different purposes.
  • a multiplicity of uses can be made possible.
  • the use of such three basic designs of luminaires allows for an application-specific adapted illumination.
  • a plurality of asymmetrical luminous bodies can be combined in a floor lamp arrangement in such a way that illumination in accordance with the intended purpose is achieved, which can then also be symmetrical again.
  • two oppositely directed C-shaped luminous bodies can be combined, which together give a symmetrical illumination.
  • two L-shaped and two mirrored L-shaped luminous bodies can be combined with each other in a floor lamp arrangement, which together again result in symmetrical lighting.
  • Fig. 1 shows selected components of a first embodiment of a luminous element according to the invention 1.
  • the luminous element 1 comprises a light distribution plate 2 and two lamps 3 namely a first LED bulb 31 and a second LED bulb 32.
  • the light distribution plate 2 is cuboid with a surface 21, one of the surface 21 corresponding lower surface 24 (in Fig. 1 not visible) and four surfaces 22 connecting the surface 21 with the lower surface 24 are formed.
  • the surface 21, the lower surface 24 and the edge surfaces 22 each have a rectangular basic shape, wherein the rectangles of the edge surfaces 22 have a short width in relation to their length. The rectangles all connect at a right angle to their respective adjacent rectangles.
  • the edge surfaces 22 consist of a first edge surface 221 and a third edge surface 223, each extending between two longitudinal sides of the surface 21 and the lower surface 24, and a second edge surface 222 and a fourth edge surface 224, each between two broad sides of the surface 21st and the lower surface 24.
  • the first LED lighting means 31 is arranged. It comprises a longitudinal board 311 equipped with a series of twenty light emitting diodes 312 lined up in a straight line.
  • the light-emitting diodes 312 of the first LED light-emitting means 31 are aligned with the first edge surface 221, so that light emitted by them along a first Main emission direction 313 of the first LED light source 31 on the first edge surface 221 and penetrates through it into the interior of the light distribution plate 2 penetrates.
  • the first main emission direction 313 of the first LED light source 31 is perpendicular to its board 311 and perpendicular to the first edge surface 221.
  • the second LED illuminant 32 is arranged. It also includes a longitudinal board 321 which is populated with a series of ten light emitting diodes 322 aligned in a straight line.
  • the light-emitting diodes 322 of the second LED light-emitting means 32 are aligned towards the second edge surface 222 so that light emitted by them strikes the second edge surface 222 along a second main emission direction 323 of the second LED light source 32 and passes through them into the interior of the light distribution plate 2 penetrates.
  • the second main emission direction 323 of the second LED light source 31 is perpendicular to its board 321 and perpendicular to the second edge surface 222.
  • the light-emitting diodes 312/322 all have a rectangular basic shape.
  • the third edge surface 223 and the fourth edge surface 224 of the light distribution plate 2 are not associated with bulbs, so that substantially no light penetrates through them into the interior of the light distribution plate 2.
  • the luminous element 1 is thus designed as an L-shaped luminous element 1.
  • the light distribution plate 2 has a deflection structure 23, which comprises seven rows each with fifteen deflection elements.
  • the deflection elements of the deflection structure 23 have refractor surfaces which are arranged obliquely or quasi diagonally to the first main emission direction 313 and to the second main emission direction 323.
  • the deflection structure 23 is thereby aligned obliquely both to the first main radiation direction 313 of the first LED lighting device 31 and to the second main radiation direction 323 of the second LED lighting device 32.
  • the luminous element 1 further comprises a glare plate 5 and a clear plate 7.
  • the glare plate 5 and the clear plate 7 are each aligned planar to the light distribution plate 2.
  • a first air gap 4 is arranged and disposed between the Entblendungsplatte 5 and the clear plate 7, a second air gap 6.
  • Fig. 2 the selected components of the filament 1 are shown from above. It can be seen that the first LED illuminant 31 is arranged adjacent to the first edge surface 221 of the light distribution plate 2 and the second LED illuminant 32 to the second edge surface 222. In addition, it can be seen that the deflection elements 23 are each oriented quasi diagonally.
  • Fig. 3 shows the selected components of the filament 1 from the front or to a shorter side or transverse side of the light distribution plate 2.
  • the light distribution plate 2 is thicker than the Entblendungsplatte 5 and the clear plate 7. Otherwise, the three plates are the same size.
  • the lower surface 24 of the light distribution plate 2 is identical to the surface 21 formed.
  • the components shown are arranged together with other components, not shown, such as control gear or brackets in a housing.
  • the first LED illuminant 31 emits light horizontally through the first edge surface 221 into the interior of the light distribution plate 2.
  • the second LED illuminant 32 emits light horizontally through the second edge surface 222 into the interior of the light distribution plate 2 individual deflecting elements of the deflection structure 23 are aligned diagonally to the main irradiation direction of the first LED illuminant 31 and the main direction of the second LED illuminant 32, they deflect substantially all of the light entering the light distribution plate 2 light.
  • a portion of the total light is emitted as indirect light upward and a portion of the total light is emitted as a direct light downwards in a doubly asymmetrical manner as shown in the light distribution curve (LVK).
  • the downwardly deflected light penetrates the defogging plate 5 and the clear plate 7 before it emerges from the luminous element 1.
  • the light is formed so that a glare effect of the lamp 1 can be reduced.
  • a doubly asymmetrical LVK is generated by the luminous body 1.
  • an illumination shifted to the right and to the front is achieved with the luminous element 1.
  • the luminous element 1 is shown in a possible intended installation at a desk 8.
  • the filament 1 is placed at the left rear corner of the desk 8 and above the desk 8.
  • the direct light emitted by the luminous element 1 illuminates a region 82 which covers virtually the entire working surface 81 of the desk 8.
  • FIGS. 7 and 8 show selected components of a second embodiment of a luminous body according to the invention 10.
  • the second luminous element 10 also has a defogging plate 50 and a clear plate 70 arranged below it and separated by a second air gap 60.
  • the luminous element 10 comprises two plane-parallel light distribution plates 20A / 20B.
  • the upper light distribution plate 20A is parallelepiped-shaped with a rectangular surface 210A, a lower surface 240A corresponding to the surface 210A, and four edge surfaces 220A connecting the surface 210A to the lower surface 240A, wherein the surface 210A, the lower surface 240A, and the edge surfaces 220A each have a rectangular basic shape ,
  • the edge surfaces 220A are comprised of a first edge surface 2210A and a third edge surface 2230A each extending between two longitudinal sides of the surface 210A and the bottom surface 240A, and a second edge surface 2220A and a fourth edge surface 2240A each extending between two broad sides of the surface 210A and the bottom surface 240A.
  • the lower light distribution plate 20B is formed identically to the upper light distribution plate 20A with analogous edge surfaces 220B including a first edge surface 2210B, a second edge surface 2220B, a third edge surface 2230B and a fourth edge surface 2240B, and a surface 210B and a bottom surface 240B.
  • the luminous element 10 comprises four luminous means 30.
  • An upper first LED illuminant 310A is arranged along the first edge surface 2210A of the upper light distribution plate 20A, and an identical lower first LED illuminant 310B is arranged along the first edge surface 2210B of the lower light distribution plate 20A.
  • the upper first LED illuminant 310A and the lower first illuminant 310B each include a longitudinal board 3110A / 3110B each equipped with a series of light emitting diodes 3120A / 3120B.
  • the light-emitting diodes 3120A of the upper first LED bulb 310A are aligned with the first edge surface 2210A of the upper light distribution plate 20A so that light radiated therefrom impinges on and passes through the upper first edge surface 2210A into the interior of the upper light distribution plate 20A.
  • the light-emitting diodes 3120B of the lower first LED bulb 310B are aligned with the second edge surface 2210B of the lower light distribution plate 20B, so that light emitted from them hits the lower first edge surface 2210B and penetrates through the inner light distribution plate 20B.
  • an upper second LED bulb 320A is disposed, and along the second edge surface 2220B of the lower light distribution plate 20B, a lower second LED bulb 320B.
  • the upper and lower second LED lamps 320A / 320B also each include a longitudinal board 3210A / 3210B equipped with a series of LEDs 3220A / 3220B.
  • the LEDs 3220A of the upper second LED illuminant 320A are aligned with the second edge surface 2220A of the upper light distribution plate 20A, so that light emitted from them impinges on and passes through the upper second edge surface 2220A into the interior of the upper light distribution plate 20A.
  • the LEDs 3220B of the lower second LED lamp 320B are aligned with the second edge surface 2220B of the lower light distribution plate 20B so that light radiated therefrom impacts the lower second edge surface 2220B and penetrates through the lower light distribution plate 20B.
  • the upper light distribution plate 20A is provided with a deflection structure 230A, and the lower light distribution plate 20B is also provided (not visible in the figures).
  • the deflection structure 230 of the upper light distribution plate 20A and that of the lower light distribution plate 20B respectively have deflection elements with a refracting surface which are oblique or quasi diagonal to a first Main radiation direction of the upper first light source 310A and a second main radiation direction of the upper second light source 320A and a first main radiation direction 3130B of the lower first light source 310B and a second main radiation direction 3230B of the lower second light source 320B are arranged.
  • the upper and lower first main radiation directions 3130B of the upper and lower first LED lamps 310A / 310B are respectively perpendicular to their boards 3110A / 310B and perpendicular to the upper and lower first edge surfaces 2210A / 2210B.
  • the upper and lower second main radiation directions 3230B of the upper and lower second LED lamps 320A / 320B are respectively perpendicular to their boards 3210A / 320B and perpendicular to the upper and lower second edge surfaces 2220A / 2220B.
  • the first deflection structures 230A of the upper light distribution plate 20A are thereby obliquely aligned both to the first main radiation direction of the upper first LED illumination means 310A and to the second main emission direction of the upper second LED illumination means 320A.
  • the first deflection structures of the lower light distribution plate 20B are obliquely aligned with both the first main radiation direction 3130B of the lower first LED bulb 310B and the second main emission direction 3230B of the lower second LED bulb 320B.
  • the upper first LED illuminator 310A radiates light through the first edge surface 2210A horizontally into the interior of the upper light distribution plate 20A.
  • the upper second LED bulb 320A horizontally radiates light into the inner space of the upper light distribution plate 20A through the second edge surface 2220A.
  • the lower first LED bulb 310B radiates light horizontally through the first edge surface 2210B into the inner space of the lower light distribution plate 20B.
  • the lower second LED bulb 320B radiates light through the second edge surface 2220B horizontally in the interior of the lower light distribution plate 20B.
  • the individual deflecting elements of the deflecting structure of the lower light distribution plate 20B almost diagonally with the first main irradiation direction 3130B of the lower first LED illuminant 310B and the second main irradiation direction 3230B of the lower second LED illuminant 320B, they deflect the substantially entire into the lower light distribution plate 20B invading light around. In this case, light is diverted exclusively downwards by the lower light distribution plate 20B and emitted from the luminous element 10 via the glare shielding plate 50 and the clear plate 70 as indirect light.
  • the direct light generation can be structurally decoupled from the indirect light generation in the luminous element 10.
  • this enables the deflection structures 230A of the light distribution plates 20A / 20B to be made relatively simple.
  • such an embodiment makes it possible to design the direct light completely independently of the indirect light.
  • the luminous element 19 is provided with a light distribution plate 29, an anti-glare panel 59 adjacent via an upper air gap 49, and a clear plate 79 adjacent via a lower air gap 69 and with two light sources 39, namely a first LED light source 319 and a second LED bulb 329 equipped. These components are identical to the corresponding components of the Fig. 1 Shaped body 1 shown formed and arranged.
  • the light distribution plate 29 is cuboid in shape having a rectangular surface 219, a lower surface 249 corresponding to the surface 219, and four edge surfaces 229 connecting the surface 219 to the lower surface 249.
  • the edge surfaces 229 consist of a first edge surface 2219 and a third edge surface 2239, each extending between two longitudinal sides of the surface 219 and the lower surface 249, and a second edge surface 2229 and a fourth edge surface 2249, each between two broad sides of the surface 219th and lower surface 249.
  • the first LED illuminant 319 is arranged. It comprises a longitudinal board 3119 equipped with a series of twenty light emitting diodes 3129 lined up in a straight line. The light-emitting diodes 3129 of the first LED light-emitting means 319 are aligned with the first edge surface 2219 so that light emitted by them strikes the first edge surface 2219 and penetrates through it into the interior of the light distribution plate 29.
  • the second LED illuminant 329 is arranged. It also includes a longitudinal board 3219 that is populated with a series of ten light emitting diodes 3229 lined up in a straight line.
  • the light-emitting diodes 3229 of the second LED light-emitting means 329 are aligned with the second edge surface 2229 so that light emitted by them impinges on the second edge surface 2229 and penetrates through it into the interior of the light distribution plate 29.
  • the luminous element 19 comprises a third LED illuminant 339 which is assigned to the fourth edge surface 2249 of the light distribution plate 29.
  • the third LED lighting means 339 is arranged along the fourth edge surface 2249. It comprises a longitudinal board 3319 equipped with a series of ten light emitting diodes 3329 lined up in a straight line.
  • the light-emitting diodes 3329 of the third LED light-emitting means 339 are aligned with the fourth edge surface 2249, so that light emitted by them strikes the fourth edge surface 2249 and penetrates through it into the interior of the light distribution plate 29.
  • With its first, second and third bulbs 319/329/339 of the filament 19 is designed C-shaped.
  • the light-emitting diodes 3129 of the first LED light-emitting means 319 are aligned with the first edge surface 2219 such that light emitted by them strikes the first edge surface 2219 along a first main emission direction 3139 of the first LED light source 319 and into the interior of the light distribution plate 29 penetrates.
  • the first main emission direction 3139 of the first LED illumination device 319 is arranged at right angles to its circuit board 3119 and at right angles to the first edge surface 2219.
  • the light-emitting diodes 3229 of the second LED light-emitting means 329 are aligned towards the second edge surface 2229 so that light emitted by them strikes the second edge surface 2229 along a second main emission direction 3239 of the second LED light source 329 and through the latter into the interior of the light distribution plate 29 penetrates.
  • the second main radiation direction 3239 of the second LED illuminant 329 is arranged at right angles to its board 3219 and at right angles to the first edge surface 2229.
  • the light-emitting diodes 3329 of the third LED light-emitting means 339 are aligned toward the fourth edge surface 2249 so that light emitted by them strikes the fourth edge surface 2249 along a third main emission direction 3339 of the third LED light source 339 and into the interior of the light distribution plate 29 penetrates.
  • the third main emission direction 3339 of the third LED light source 339 is arranged at right angles to its circuit board 3319 and at right angles to the fourth edge surface 2249.
  • the LEDs 3129/3229/3329 all have a rectangular basic shape.
  • the third edge surface 2239 of the light distribution plate 29 is not associated with a light source, so that substantially no light penetrates through it into the interior of the light distribution plate 29.
  • the light distribution plate 29 has a deflection structure 239 with a left first deflection element group 2319 and right second deflection element group 2329.
  • the first Auslenkelement embark 2319 and the second Auslenkelementuci 2329 each have five rows, each with eight deflection elements.
  • the deflecting elements of the first deflecting element group 2319 and the deflecting elements of the second deflecting element group 2329 are arranged in opposite directions quasi diagonally in the light distributing plate 29.
  • the luminous element 19 During operation of the luminous element 19, light from the three LED illuminants 39 is radiated horizontally from three sides into the light distribution plate 29.
  • the deflecting elements of the deflecting structure 239 are formed so that the light is radiated upward and downward in a predetermined ratio from the light distribution plate 29.
  • first deflecting element group 2319 and the second deflecting element group 2329 deflect the light together on three sides, so that in addition favored by the three-sided light feed from the light distribution plate 29, a triple asymmetric LVK is generated.
  • LVK is emitted from the light body 19, a proportion of the total light as Indirect light upward and a portion of the total light as a direct light down three times asymmetric.
  • the luminous element 19 can thereby be provided for central placement in front of a workstation to be illuminated.
  • FIG. 13 an embodiment of an inventive floor lamp assembly 11 is shown.
  • the floor lamp arrangement 11 comprises a support stand which can be erected on a floor and an adapter part 111 which can be flexibly equipped with luminaires.
  • the in Fig. 12 Form shown is the floor lamp assembly with the in Fig. 1 shown luminous body 1, the in Fig. 9 shown illuminant 19 and a fourth embodiment of a luminous body 18 according to the invention equipped.
  • the luminous element 18 is identical to the luminous element 1, except that it is designed to emit light in other directions twice asymmetrically. So it is mirrored in comparison to the Leuchtmaschine1.
  • the floor lamp arrangement 11 is configured such that work surfaces 818 can be illuminated by three desks 88 as intended.
  • the desks 88 are assembled into a rectangle, the floor lamp assembly 11 is centrally located.
  • the luminaires produce 1/18/19 light, which illuminates areas 828, which together comprise substantially the entire work surfaces 818 of the desks 88.
  • the present disclosure also includes embodiments having any combination of features that are mentioned or shown above or below various embodiments. It also comprises individual features in the figures, even if they are shown there in connection with other features and / or are not mentioned above or below. Also, the alternatives of embodiments and individual alternatives described in the figures and the description of the features of the Subject of the invention or be excluded from the disclosed objects. The disclosure includes embodiments which exclusively comprise the features described in the claims and in the exemplary embodiments as well as those which include additional other features.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP16207033.8A 2015-12-28 2016-12-28 Corps lumineux et lampadaire Active EP3187773B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01914/15A CH711992A1 (de) 2015-12-28 2015-12-28 Leuchtkörper und Stehleuchtenanordnung.

Publications (2)

Publication Number Publication Date
EP3187773A1 true EP3187773A1 (fr) 2017-07-05
EP3187773B1 EP3187773B1 (fr) 2019-10-16

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ID=55129363

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16207033.8A Active EP3187773B1 (fr) 2015-12-28 2016-12-28 Corps lumineux et lampadaire

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EP (1) EP3187773B1 (fr)
CH (1) CH711992A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018104746A1 (de) 2018-03-01 2019-09-05 Trilux Gmbh & Co. Kg Steh- oder Tischleuchte
EP3650742A1 (fr) 2018-11-12 2020-05-13 Regent Beleuchtungskörper AG Optique et lampe de table
AT523677A1 (de) * 2020-04-01 2021-10-15 Molto Luce Gmbh Vorrichtung mit einer oberhalb einer Arbeitsfläche angeordneten Leuchte
CH717403A1 (de) * 2020-05-13 2021-11-15 Regent Beleuchtungskoerper Ag Leuchte zum Aufstellen auf eine Oberfläche.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107763481A (zh) * 2017-10-26 2018-03-06 广东莱亚智能光电股份有限公司 一种落地灯

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US6002079A (en) * 1997-01-24 1999-12-14 Shin; Haeng Chul Luminous decorative device
DE202005015855U1 (de) * 2005-04-15 2006-03-09 Taiwan Green Point Enterprises Co., Ltd., Ta Ya Lampe mit einer ebenen Licht emittierenden Quelle
US20060062016A1 (en) * 2004-08-24 2006-03-23 Norihiro Dejima Illumination device and display device using the same
US20090161355A1 (en) * 2007-12-19 2009-06-25 Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. White light illuminator and reading lamp using the same
WO2013180737A1 (fr) * 2012-06-01 2013-12-05 Hewlett-Packard Development Company, L.P. Rétroéclairage directionnel doté d'une couche de modulation

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EP3165948B1 (fr) * 2015-11-05 2022-10-05 Samsung Electronics Co., Ltd. Ensemble de rétroéclairage

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Publication number Priority date Publication date Assignee Title
US6002079A (en) * 1997-01-24 1999-12-14 Shin; Haeng Chul Luminous decorative device
US20060062016A1 (en) * 2004-08-24 2006-03-23 Norihiro Dejima Illumination device and display device using the same
DE202005015855U1 (de) * 2005-04-15 2006-03-09 Taiwan Green Point Enterprises Co., Ltd., Ta Ya Lampe mit einer ebenen Licht emittierenden Quelle
US20090161355A1 (en) * 2007-12-19 2009-06-25 Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. White light illuminator and reading lamp using the same
WO2013180737A1 (fr) * 2012-06-01 2013-12-05 Hewlett-Packard Development Company, L.P. Rétroéclairage directionnel doté d'une couche de modulation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018104746A1 (de) 2018-03-01 2019-09-05 Trilux Gmbh & Co. Kg Steh- oder Tischleuchte
EP3650742A1 (fr) 2018-11-12 2020-05-13 Regent Beleuchtungskörper AG Optique et lampe de table
AT523677A1 (de) * 2020-04-01 2021-10-15 Molto Luce Gmbh Vorrichtung mit einer oberhalb einer Arbeitsfläche angeordneten Leuchte
CH717403A1 (de) * 2020-05-13 2021-11-15 Regent Beleuchtungskoerper Ag Leuchte zum Aufstellen auf eine Oberfläche.
EP3910233A1 (fr) 2020-05-13 2021-11-17 Regent Beleuchtungskörper AG Luminaire

Also Published As

Publication number Publication date
CH711992A1 (de) 2017-06-30
EP3187773B1 (fr) 2019-10-16

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